package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * 菜品管理
 */
@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品管理接口")
@Slf4j
public class DishController {
    @Autowired
    DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id) {
        log.info("根据id查询菜品：{}", id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品：{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);

        String key = "dish_" + dishDTO.getCategoryId();
        cleanCache(key); // 清理菜品相关缓存

        return Result.success("新增菜品成功");
    }

    /**
     * 分页查询菜品
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("分页查询菜品")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO) {
        log.info("分页查询菜品：{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 批量删除菜品
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result deleteBatch(@RequestParam List<Long> ids){
        log.info("批量删除菜品：{}", ids);
        dishService.deleteBatch(ids);

        cleanCache("dish_*"); // 清理菜品相关缓存

        return Result.success("批量删除菜品成功");
    }

    /**
     * 更新菜品
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("更新菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("更新菜品：{}", dishDTO);
        dishService.updateWithFlavor(dishDTO);

        cleanCache("dish_*"); // 清理菜品相关缓存

        return Result.success("更新菜品成功");
    }

    /**
     * 停售或起售菜品
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    public Result startOrStop(@PathVariable Integer status, @RequestParam Long id) {
        log.info("停售或起售：id={}, status={}", id, status);
        dishService.startOrStop(id, status);

        cleanCache("dish_*"); // 清理菜品相关缓存

        return Result.success("更新菜品状态成功");
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<DishVO>> listByCategoryId(@RequestParam Long categoryId) {
        log.info("根据分类id查询菜品：{}", categoryId);
        List<DishVO> dishes = dishService.listByCategoryId(categoryId);
        return Result.success(dishes);
    }

    /**
     * 清理缓存
     * @param pattern
     */
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}

